My video file have some initial bytes for my own file header. I try to play it with ffplay using the -skip_initial_bytes option. But it does not work.Here is the detail.
Did I use this option correctlly? or should I increase probesize? ➜ Downloads $ffmpeg -skip_initial_bytes 8 -i cache.output.mp4 ffmpeg version 3.1.3 Copyright (c) 2000-2016 the FFmpeg developers built with Apple LLVM version 8.0.0 (clang-800.0.42.1) configuration: --prefix=/usr/local/Cellar/ffmpeg/3.1.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-ffplay --disable-lzma --enable-vda libavutil 55. 28.100 / 55. 28.100 libavcodec 57. 48.101 / 57. 48.101 libavformat 57. 41.100 / 57. 41.100 libavdevice 57. 0.101 / 57. 0.101 libavfilter 6. 47.100 / 6. 47.100 libavresample 3. 0. 0 / 3. 0. 0 libswscale 4. 1.100 / 4. 1.100 libswresample 2. 1.100 / 2. 1.100 libpostproc 54. 0.100 / 54. 0.100 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fd865800000] Format mov,mp4,m4a,3gp,3g2,mj2 detected only with low score of 1, misdetection possible! [h264 @ 0x7fd865001000] Invalid nal size 159290 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 511590222 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -391050801 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1224072330 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 32381148 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 248906135 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 537612480 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 620581924 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1102680866 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 308369572 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1257709459 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -355472042 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1656963695 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1806751098 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1720016505 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1424389612 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -938718578 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1828105194 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 2060392767 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 422636247 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1689107192 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1106058329 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 458162881 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1692419039 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1540267551 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -372081251 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 955407506 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1079775041 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 808862211 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -985818671 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1467437711 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 54684121 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1730688408 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -289305377 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1387239564 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 225075851 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1559738940 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -662869797 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1171762705 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 319025987 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -350143502 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -261677640 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1681415403 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1758724489 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -2071357923 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1709921542 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1738172466 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1120341744 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1527908514 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1763119797 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1276352169 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 818067673 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 249320565 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 2032312955 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -578534875 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1395232334 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 455106853 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 914832508 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1618381079 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -490283222 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 116612493 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -234995184 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1370435826 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1585559534 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1642844359 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 103588890 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -245814915 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1843549083 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1458850179 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1921915774 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1360989425 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1586393244 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -128420269 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 33828559 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 372551634 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 781092671 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1492452836 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1119686364 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1434675042 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -151803150 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1178411496 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -309124191 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 418048181 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 784122301 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -560519404 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1341006703 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1811456906 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1009479109 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -19496868 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -2121718991 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 49142104 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -619924201 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -2063742288 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 712176185 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -1515856200 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 2144887763 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 965499340 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size -2095131681 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 151058157 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [h264 @ 0x7fd865001000] Invalid nal size 1154573945 [h264 @ 0x7fd865001000] Error splitting the input into NAL units. [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fd865800000] decoding for stream 0 failed [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fd865800000] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 326x224, 149 kb/s): unspecified pixel format Consider increasing the value for the 'analyzeduration' and 'probesize' options Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'cache.output.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf57.41.100 Duration: 00:00:08.50, start: 0.000000, bitrate: 152 kb/s Stream #0:0(und): Video: h264 (avc1 / 0x31637661), none, 326x224, 149 kb/s, 20 fps, 20 tbr, 10240 tbn, 20480 tbc (default) Metadata: handler_name : VideoHandler At least one output file must be specified ➜ Downloads _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
